// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef UI_KEYBOARD_KEYBOARD_LAYOUT_MANAGER_H_
#define UI_KEYBOARD_KEYBOARD_LAYOUT_MANAGER_H_

#include "base/macros.h"
#include "ui/aura/layout_manager.h"
#include "ui/aura/window.h"

namespace keyboard {

class KeyboardController;

// LayoutManager for the virtual keyboard container. Manages a single window
// (the virtual keyboard) and keeps it positioned at the bottom of the
// owner window.
class KeyboardLayoutManager : public aura::LayoutManager {
public:
    explicit KeyboardLayoutManager(KeyboardController* controller)
        : controller_(controller)
        , keyboard_(NULL)
    {
    }

    // Overridden from aura::LayoutManager
    void OnWindowResized() override;
    void OnWindowAddedToLayout(aura::Window* child) override;
    void OnWillRemoveWindowFromLayout(aura::Window* child) override { }
    void OnWindowRemovedFromLayout(aura::Window* child) override { }
    void OnChildWindowVisibilityChanged(aura::Window* child,
        bool visible) override { }
    void SetChildBounds(aura::Window* child,
        const gfx::Rect& requested_bounds) override;

private:
    KeyboardController* controller_;
    aura::Window* keyboard_;

    DISALLOW_COPY_AND_ASSIGN(KeyboardLayoutManager);
};

} // namespace keyboard

#endif // UI_KEYBOARD_KEYBOARD_LAYOUT_MANAGER_H_
